From: Jan Blunck <jblunck@infradead.org>
To: Shreyansh Jain <shreyansh.jain@nxp.com>
Cc: dev <dev@dpdk.org>, David Marchand <david.marchand@6wind.com>,
Ferruh Yigit <ferruh.yigit@intel.com>
Subject: Re: [dpdk-dev] [PATCH v3 02/10] eal: probe new virtual bus after other bus devices
Date: Mon, 27 Feb 2017 10:09:05 +0100 [thread overview]
Message-ID: <CALe+Z03mdGSK7Q_1Fu33Fr6pLHttd0UCC+9CO=bsWSPJBVSSUQ@mail.gmail.com> (raw)
In-Reply-To: <303005d0-f852-f252-7131-8ef6311917a9@nxp.com>
On Mon, Feb 27, 2017 at 9:59 AM, Shreyansh Jain <shreyansh.jain@nxp.com> wrote:
> On Saturday 25 February 2017 03:58 PM, Jan Blunck wrote:
>>
>> Also see commit f4ce209a ("eal: postpone vdev initialization").
>>
>> Signed-off-by: Jan Blunck <jblunck@infradead.org>
>> ---
>> lib/librte_eal/common/eal_common_bus.c | 16 +++++++++++++++-
>> 1 file changed, 15 insertions(+), 1 deletion(-)
>>
>> diff --git a/lib/librte_eal/common/eal_common_bus.c
>> b/lib/librte_eal/common/eal_common_bus.c
>> index 4638e78..8f9baf8 100644
>> --- a/lib/librte_eal/common/eal_common_bus.c
>> +++ b/lib/librte_eal/common/eal_common_bus.c
>> @@ -86,9 +86,14 @@ int
>> rte_bus_probe(void)
>> {
>> int ret;
>> - struct rte_bus *bus;
>> + struct rte_bus *bus, *vbus = NULL;
>>
>> TAILQ_FOREACH(bus, &rte_bus_list, next) {
>> + if (!strcmp(bus->name, "virtual")) {
>> + vbus = bus;
>> + continue;
>> + }
>> +
>> ret = bus->probe();
>> if (ret) {
>> RTE_LOG(ERR, EAL, "Bus (%s) probe failed.\n",
>> @@ -97,6 +102,15 @@ rte_bus_probe(void)
>> }
>> }
>>
>> + if (vbus) {
>> + ret = vbus->probe();
>> + if (ret) {
>> + RTE_LOG(ERR, EAL, "Bus (%s) probe failed.\n",
>> + vbus->name);
>> + return ret;
>> + }
>> + }
>> +
>
>
> This has probably changed to do away with priority of RTE_REGISTER_*
> macro.
>
> This is based on an assumption that there is only a single 'virtual'
> bus and no driver ever registers another bus with the same name.
>
> The problem originates from the fact that rte_bus_register is
> _not_ checking for duplicate entries while registering.
> (Apparently, it would be a problem in case of RTE_* macros as well).
>
> I think that should be fixed.
>
> If we are in sync, I will push a patch.
>
Indeed. The buses should have a unique name.
next prev parent reply other threads:[~2017-02-27 9:09 UTC|newest]
Thread overview: 91+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-15 10:02 [dpdk-dev] [PATCH 0/7] Rework vdev probing to use rte_bus infrastructure Jan Blunck
2017-02-15 10:02 ` [dpdk-dev] [PATCH 1/7] eal: use different constructor priorities for initcalls Jan Blunck
2017-02-15 14:37 ` Shreyansh Jain
2017-02-15 15:05 ` Jan Blunck
2017-02-16 5:59 ` Shreyansh Jain
2017-02-15 10:02 ` [dpdk-dev] [PATCH 2/7] eal: probe legacy PCI devices before other bus devices Jan Blunck
2017-02-15 14:03 ` Shreyansh Jain
2017-02-15 10:02 ` [dpdk-dev] [PATCH 3/7] eal: move virtual device probing into a bus Jan Blunck
2017-02-15 14:11 ` Shreyansh Jain
2017-02-15 14:13 ` Jan Blunck
2017-02-15 14:20 ` Shreyansh Jain
2017-02-15 14:15 ` Shreyansh Jain
2017-02-15 14:22 ` Wiles, Keith
2017-02-15 14:27 ` Shreyansh Jain
2017-02-15 17:25 ` Jerin Jacob
2017-02-15 18:09 ` Wiles, Keith
2017-02-15 20:06 ` Jan Blunck
2017-02-15 21:56 ` Wiles, Keith
2017-02-15 17:06 ` Jan Blunck
2017-02-15 17:10 ` Wiles, Keith
2017-02-15 17:22 ` Wiles, Keith
2017-02-15 10:02 ` [dpdk-dev] [PATCH 4/7] eal: remove unused rte_eal_dev_init() Jan Blunck
2017-02-15 17:11 ` Ferruh Yigit
2017-02-15 10:02 ` [dpdk-dev] [PATCH 5/7] eal: Refactor vdev driver probe/remove Jan Blunck
2017-02-15 10:02 ` [dpdk-dev] [PATCH 6/7] eal: add struct rte_vdev_device Jan Blunck
2017-02-15 17:11 ` Ferruh Yigit
2017-02-16 15:55 ` Jan Blunck
2017-02-15 10:02 ` [dpdk-dev] [PATCH 7/7] eal: make virtual bus use rte_vdev_device Jan Blunck
2017-02-15 17:11 ` Ferruh Yigit
2017-02-15 17:11 ` [dpdk-dev] [PATCH 0/7] Rework vdev probing to use rte_bus infrastructure Ferruh Yigit
2017-02-20 14:17 ` [dpdk-dev] [PATCH v2 0/8] " Jan Blunck
2017-02-21 6:44 ` Shreyansh Jain
2017-02-25 10:28 ` [dpdk-dev] [PATCH v3 00/10] " Jan Blunck
2017-02-27 13:09 ` Jan Blunck
2017-02-28 8:48 ` Shreyansh Jain
2017-02-28 9:19 ` Jan Blunck
2017-02-28 9:28 ` Shreyansh Jain
2017-03-06 10:56 ` [dpdk-dev] [PATCH v4 " Jan Blunck
2017-03-13 17:55 ` Thomas Monjalon
2017-03-27 7:47 ` Jan Blunck
2017-04-11 15:44 ` [dpdk-dev] [PATCH v5 00/12] " Gaetan Rivet
2017-04-11 15:44 ` [dpdk-dev] [PATCH v5 01/12] eal: probe new virtual bus after other bus devices Gaetan Rivet
2017-04-11 15:44 ` [dpdk-dev] [PATCH v5 02/12] eal: move virtual device probing into a bus Gaetan Rivet
2017-04-11 15:44 ` [dpdk-dev] [PATCH v5 03/12] eal: remove unused rte_eal_dev_init() Gaetan Rivet
2017-04-11 15:44 ` [dpdk-dev] [PATCH v5 04/12] eal: Refactor vdev driver probe/remove Gaetan Rivet
2017-04-11 15:44 ` [dpdk-dev] [PATCH v5 05/12] eal: add struct rte_vdev_device Gaetan Rivet
2017-04-11 15:44 ` [dpdk-dev] [PATCH v5 06/12] eal: add virtual device name helper function Gaetan Rivet
2017-04-11 15:44 ` [dpdk-dev] [PATCH v5 07/12] eal: add virtual device arguments " Gaetan Rivet
2017-04-11 15:44 ` [dpdk-dev] [PATCH v5 08/12] eal: make virtual bus use rte_vdev_device Gaetan Rivet
2017-04-11 15:44 ` [dpdk-dev] [PATCH v5 09/12] eal: make virtual driver probe and remove take rte_vdev_device Gaetan Rivet
2017-04-11 15:44 ` [dpdk-dev] [PATCH v5 10/12] net/kni: use generic vdev for probe and remove Gaetan Rivet
2017-04-11 15:44 ` [dpdk-dev] [PATCH v5 11/12] crypto: " Gaetan Rivet
2017-04-11 15:44 ` [dpdk-dev] [PATCH v5 12/12] event: " Gaetan Rivet
2017-04-14 12:21 ` [dpdk-dev] [PATCH v5 00/12] Rework vdev probing to use rte_bus infrastructure Thomas Monjalon
2017-03-06 10:56 ` [dpdk-dev] [PATCH v4 01/10] eal: probe legacy PCI devices before other bus devices Jan Blunck
2017-03-06 10:56 ` [dpdk-dev] [PATCH v4 02/10] eal: probe new virtual bus after " Jan Blunck
2017-03-13 17:42 ` Thomas Monjalon
2017-03-06 10:56 ` [dpdk-dev] [PATCH v4 03/10] eal: move virtual device probing into a bus Jan Blunck
2017-03-13 17:44 ` Thomas Monjalon
2017-03-27 7:46 ` Jan Blunck
2017-03-06 10:56 ` [dpdk-dev] [PATCH v4 04/10] eal: remove unused rte_eal_dev_init() Jan Blunck
2017-03-06 10:56 ` [dpdk-dev] [PATCH v4 05/10] eal: Refactor vdev driver probe/remove Jan Blunck
2017-03-06 10:56 ` [dpdk-dev] [PATCH v4 06/10] eal: add struct rte_vdev_device Jan Blunck
2017-03-06 10:56 ` [dpdk-dev] [PATCH v4 07/10] eal: add virtual device name helper function Jan Blunck
2017-03-06 10:56 ` [dpdk-dev] [PATCH v4 08/10] eal: add virtual device arguments " Jan Blunck
2017-03-06 10:56 ` [dpdk-dev] [PATCH v4 09/10] eal: make virtual bus use rte_vdev_device Jan Blunck
2017-03-13 17:51 ` Thomas Monjalon
2017-03-27 7:43 ` Jan Blunck
2017-03-06 10:56 ` [dpdk-dev] [PATCH v4 10/10] eal: make virtual driver probe and remove take rte_vdev_device Jan Blunck
2017-02-25 10:28 ` [dpdk-dev] [PATCH v3 01/10] eal: probe legacy PCI devices before other bus devices Jan Blunck
2017-02-25 10:28 ` [dpdk-dev] [PATCH v3 02/10] eal: probe new virtual bus after " Jan Blunck
2017-02-27 8:59 ` Shreyansh Jain
2017-02-27 9:09 ` Jan Blunck [this message]
2017-02-25 10:28 ` [dpdk-dev] [PATCH v3 03/10] eal: move virtual device probing into a bus Jan Blunck
2017-02-25 10:28 ` [dpdk-dev] [PATCH v3 04/10] eal: remove unused rte_eal_dev_init() Jan Blunck
2017-02-25 10:28 ` [dpdk-dev] [PATCH v3 05/10] eal: Refactor vdev driver probe/remove Jan Blunck
2017-02-25 10:28 ` [dpdk-dev] [PATCH v3 06/10] eal: add struct rte_vdev_device Jan Blunck
2017-02-25 10:28 ` [dpdk-dev] [PATCH v3 07/10] eal: add virtual device name helper function Jan Blunck
2017-02-25 10:28 ` [dpdk-dev] [PATCH v3 08/10] eal: add virtual device arguments " Jan Blunck
2017-02-25 10:28 ` [dpdk-dev] [PATCH v3 09/10] eal: make virtual bus use rte_vdev_device Jan Blunck
2017-02-25 10:28 ` [dpdk-dev] [PATCH v3 10/10] eal: make virtual driver probe and remove take rte_vdev_device Jan Blunck
2017-02-20 14:17 ` [dpdk-dev] [PATCH v2 1/8] eal: use different constructor priorities for initcalls Jan Blunck
2017-02-21 12:30 ` Ferruh Yigit
2017-02-20 14:17 ` [dpdk-dev] [PATCH v2 2/8] eal: probe legacy PCI devices before other bus devices Jan Blunck
2017-02-20 14:17 ` [dpdk-dev] [PATCH v2 3/8] eal: move virtual device probing into a bus Jan Blunck
2017-02-20 14:17 ` [dpdk-dev] [PATCH v2 4/8] eal: remove unused rte_eal_dev_init() Jan Blunck
2017-02-20 14:17 ` [dpdk-dev] [PATCH v2 5/8] eal: Refactor vdev driver probe/remove Jan Blunck
2017-02-20 14:17 ` [dpdk-dev] [PATCH v2 6/8] eal: add struct rte_vdev_device Jan Blunck
2017-02-20 14:17 ` [dpdk-dev] [PATCH v2 7/8] eal: add virtual device name helper function Jan Blunck
2017-02-21 12:25 ` Ferruh Yigit
2017-02-20 14:17 ` [dpdk-dev] [PATCH v2 8/8] eal: make virtual bus use rte_vdev_device Jan Blunck
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